chamilo / chamilo-lms

 *

 * @return array

 */

function get_work_assignment_by_id($id, $courseId = null)

{

    if (empty($courseId)) {

        $courseId = api_get_course_int_id();

    } else {

        $courseId = intval($courseId);

    }

    $id = intval($id);

    $table = Database::get_course_table(TABLE_STUDENT_PUBLICATION_ASSIGNMENT);

    $sql = "SELECT * FROM $table

            WHERE c_id = $courseId AND publication_id = $id";

    $result = Database::query($sql);

    $return = array();

    if (Database::num_rows($result)) {

        $return = Database::fetch_array($result, 'ASSOC');

    }

    return $return;

}

/**

 * @param int $id

 *

 * @return array

 */

function get_work_data_by_path($path, $courseId = null)

{

    $path = Database::escape_string($path);

    if (empty($courseId)) {

        $courseId = api_get_course_int_id();

    } else {

        $courseId = intval($courseId);

    }

    $work_table = Database::get_course_table(TABLE_STUDENT_PUBLICATION);

    $sql = "SELECT *  FROM  ".$work_table."

            WHERE url = '$path' AND c_id = $courseId ";

    $result = Database::query($sql);

    $return = array();

    if (Database::num_rows($result)) {

        $return = Database::fetch_array($result, 'ASSOC');

    }

    return $return;

}

/**

 * @param int $id

 * @param int $user_id If none provided, will use current user

 * @return int User's status (1 for teacher, 5 for student, etc)

 */

function api_get_user_status($user_id = null)

{

    $user_id = intval($user_id);

    if (empty($user_id)) {

        $user_id = api_get_user_id();

    }

    $table = Database::get_main_table(TABLE_MAIN_USER);

    $sql = "SELECT status FROM $table WHERE user_id = $user_id ";

    $result = Database::query($sql);

    $status = null;

    if (Database::num_rows($result)) {

        $row = Database::fetch_array($result);

        $status = $row['status'];

    }

    return $status;

}

/**

 * Checks whether current user is allowed to create courses

     * @param int $courseId

     * @return array

     */

    public static function get_session_by_course($courseId)

    {

        $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);

        $table_session = Database::get_main_table(TABLE_MAIN_SESSION);

        $url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_SESSION);

        $courseId = intval($courseId);

        $urlId = api_get_current_access_url_id();

        if (empty($courseId)) {

            return [];

        }

        $sql = "SELECT name, s.id

                FROM $table_session_course sc

                INNER JOIN $table_session s 

                ON (sc.session_id = s.id)

                INNER JOIN $url u

                ON (u.session_id = s.id)

                WHERE 

                    u.access_url_id = $urlId AND 

                    sc.c_id = '$courseId' ";

        $result = Database::query($sql);

        return Database::store_result($result);

    }

    /**

     * @param int $user_id